**Problem 5.84 - Enhanced - with Feedback**Use bond enthalpies in the table below to estimate ΔH for each of the following reactions:---**Average Bond Enthalpy (kJ/mol):**| Bond | kJ/mol | Bond | kJ/mol ||------|--------|------|--------|| C—H | 413 | N—H | 391 || O—H | 463 | F—F | 155 || C≡C | 839 | N—N | 163 || O=O | 495 | F—Cl | 253 || C—N | 614 | N=O | 201 || O—Cl | 203 | F—Br | 237 || C—O | 358 | N=O | 607 || O—I | 234 | F—I | 218 || C=O | 799 | N—Br | 243 || O—H | 463 | Br—Cl| 218 || C≡N | 891 | N—I | 150 || O—I | 193 | Br—F | 193 || C—Cl | 328 | H—F | 567 || I—I | 151 | | || C—Br | 276 | H—Cl | 431 || | | | || C—I | 240 | H—Br | 366 || | | | || H—I | 299 | | |---**Part A**\[ \text{Br—C—Br} + \text{Cl—Cl} \rightarrow \text{Br—C—Cl} + \text{Br—Cl} \]Express your answer in kilojoules to three significant figures:\[ \Delta H = \](Submit button and options to view previous or request answers)**Note:** The solution is incorrect; you have 5 attempts remaining.---For clarity, explain the reaction equation indicating the bonds broken and formed, and use the values in the above table to calculate the

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? ΔΗ- k.J

Chemistry

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ISBN:9781305957404

Author:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Susan A. Zumdahl, Donald J. DeCoste

Chapter17: Spontaneity, Entropy, And Free Energy

Section: Chapter Questions

Problem 3ALQ: Gas A2 reacts with gas B2 to form gas AB at a constant temperature. The bond energy of AB is much...

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Concept explainers

Polymerization Kinetics

Polymerization is a chemical process in which one or more monomers combine to produce a very large chain-like molecule called a polymer. The functional groups present on the monomers and their steric effects are responsible for polymerization through a sequence of reactions that diverge in complexity. There exists a stable covalent chemical bond between monomers that sets apart polymerization from other processes. Polymerization is generally classified into step-growth and chain polymerization. Polymers are categorized into linear polymer and cross-linked polymers that are produced either by condensation or additional polymerization.

Question

**Problem 5.84 - Enhanced - with Feedback**

Use bond enthalpies in the table below to estimate ΔH for each of the following reactions:

---

**Average Bond Enthalpy (kJ/mol):**

| Bond | kJ/mol | Bond | kJ/mol |
|------|--------|------|--------|
| C—H | 413 | N—H | 391 |
| O—H | 463 | F—F | 155 |
| C≡C | 839 | N—N | 163 |
| O=O | 495 | F—Cl | 253 |
| C—N | 614 | N=O | 201 |
| O—Cl | 203 | F—Br | 237 |
| C—O | 358 | N=O | 607 |
| O—I | 234 | F—I | 218 |
| C=O | 799 | N—Br | 243 |
| O—H | 463 | Br—Cl| 218 |
| C≡N | 891 | N—I | 150 |
| O—I | 193 | Br—F | 193 |
| C—Cl | 328 | H—F | 567 |
| I—I | 151 | | |
| C—Br | 276 | H—Cl | 431 |
| | | | |
| C—I | 240 | H—Br | 366 |
| | | | |
| H—I | 299 | | |

---

**Part A**

\[ \text{Br—C—Br} + \text{Cl—Cl} \rightarrow \text{Br—C—Cl} + \text{Br—Cl} \]

Express your answer in kilojoules to three significant figures:

\[ \Delta H = \]

(Submit button and options to view previous or request answers)

**Note:** The solution is incorrect; you have 5 attempts remaining.

---

For clarity, explain the reaction equation indicating the bonds broken and formed, and use the values in the above table to calculate the

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